Explore topic-wise MCQs in C.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your C knowledge and support exam preparation. Choose a topic below to get started.

1.

Which among the following is not a preprocessor directive?

A. #ifdef
B. #pragma
C. #Or
D. #undef
Answer» D. #undef
Discussion
2.

Which preprocessor directive among the following forces the compiler to stop the compilation?

A. #warning
B. #endregion
C. #undef
D. #error
Answer» E.
Discussion
3.

What does preprocessor directive #if and #endif explains?

A. Enables compilation of sequence of code on condition basis
B. Express results into true or false on evaluation of condition
C. If expression following #if is true then code that is between #if and #endif is compiled otherwise skipped
D. All of the mentioned
Answer» E.
Discussion
4.

Select the defined preprocessor in C#.NET?

A. #define
B. #elif
C. #else
D. All of the mentioned
Answer» E.
Discussion
5.

What is meant by preprocessor directive #define?

A. defines a character sequence
B. helps in determining existence and non existence of a symbol
C. can be used to create function like macros as in C/C++
D. all of the mentioned
Answer» B. helps in determining existence and non existence of a symbol
Discussion
6.

What is meant by preprocessor directive in C#.NET?

A. a form of command which are interpreted by the compiler
B. a form of macros like in c and c++ not exactly same to them, separately designed for C#.NET
C. always begins with a ‘#’ character occupies separate line of source of code
D. all of the mentioned
Answer» E.
Discussion
7.

Choose the symbol which begins a preprocessor directive in C#.NET?

A. #
B. **
C. *
D. &
Answer» B. **
Discussion